216958404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1390759}}^1$

素因数の和:1390779

約数の個数: 24

約数和(自身を含む): 545177920

約数和(自身を除く): 328219516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1390759, 2781518, 4172277, 5563036, 8344554, 16689108, 18079867, 36159734, 54239601, 72319468, 108479202, 216958404]

約数ペア:

[(1, 216958404), (2, 108479202), (3, 72319468), (4, 54239601), (6, 36159734), (12, 18079867), (13, 16689108), (26, 8344554), (39, 5563036), (52, 4172277), (78, 2781518), (156, 1390759)]